Butress

Butress - The projection on the outside wall to absorb the side thrusts from ribs or arches.
Buttress arches - The flying portion of our flying buttresses.
Canopy - A protective roof. See porch.

butress
Examples:
"At the moment when his thought was thus fixed upon the priest, while the daybreak was whitening the flying buttresses, he perceived on the highest story of Notre-Dame, ...

Flying butress:
foliate capital : Needs definition See also capital, column, Other types of capital: Corinthian, cushion, crocket, historiated, Ionic
G ...

Projection. Architectural element projecting from the wall of a building (frieze, balcony, bracket, butress etc.).
Pulpit. Elevated platform or reading desk in a church (occasionally also located externally) from which a sermon is preached.

See also: Church, Gothic, Cathedra, Cathedral, Arches